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# -*- coding: utf-8 -*- |
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# |
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# This file is part of SENAITE.CORE. |
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# |
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# SENAITE.CORE is free software: you can redistribute it and/or modify it under |
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# the terms of the GNU General Public License as published by the Free Software |
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# Foundation, version 2. |
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# |
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# This program is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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# details. |
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# |
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# You should have received a copy of the GNU General Public License along with |
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# this program; if not, write to the Free Software Foundation, Inc., 51 |
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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# |
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# Copyright 2018-2024 by it's authors. |
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# Some rights reserved, see README and LICENSE. |
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import json |
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from bika.lims import _ |
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from senaite.core.i18n import translate as t |
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from senaite.core.interfaces import ISenaiteFormLayer |
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from senaite.core.schema.interfaces import ISelectOtherField |
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from senaite.core.z3cform.interfaces import ISelectOtherWidget |
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from senaite.core.z3cform.widgets.basewidget import BaseWidget |
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from z3c.form.browser import widget |
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from z3c.form.browser.widget import HTMLTextInputWidget |
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from z3c.form.converter import BaseDataConverter |
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from z3c.form.interfaces import IFieldWidget |
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from z3c.form.widget import FieldWidget |
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from zope.component import adapter |
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from zope.component import queryUtility |
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from zope.interface import implementer |
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from zope.schema.interfaces import IVocabularyFactory |
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OTHER_OPTION_VALUE = "__other__" |
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@adapter(ISelectOtherField, ISelectOtherWidget) |
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class SelectOtherDataConverter(BaseDataConverter): |
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"""Converts the value between the field and the widget |
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""" |
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def toWidgetValue(self, value): |
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"""Converts from field value to widget |
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""" |
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return value |
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def toFieldValue(self, value): |
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"""Converts from widget to field value |
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""" |
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if isinstance(value, list): |
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if value[0] == OTHER_OPTION_VALUE: |
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return str(value[1]) |
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value = value[0] |
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return str(value) |
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@implementer(ISelectOtherWidget) |
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class SelectOtherWidget(HTMLTextInputWidget, BaseWidget): |
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"""Widget for the selection of an option from a pre-populated list or |
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manual introduction |
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""" |
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klass = u"senaite-selectother-widget-input" |
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def get_display_value(self): |
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"""Returns the value to display |
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""" |
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choices = self.get_choices() |
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choices = dict(choices) |
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return choices.get(self.value) or self.value |
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View Code Duplication |
def get_input_widget_attributes(self): |
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"""Return input widget attributes for the ReactJS component |
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""" |
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option = "" |
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other = "" |
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# find out if the value is a predefined option |
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choices = self.get_choices() |
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options = dict(choices).keys() |
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if self.value in options: |
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option = self.value |
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elif self.value: |
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option = OTHER_OPTION_VALUE |
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other = self.value |
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attributes = { |
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"data-id": self.id, |
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"data-name": self.name, |
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"data-choices": choices, |
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"data-option": option, |
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"data-option_other": OTHER_OPTION_VALUE, |
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"data-other": other, |
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} |
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# convert all attributes to JSON |
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for key, value in attributes.items(): |
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attributes[key] = json.dumps(value) |
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return attributes |
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def update(self): |
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"""Computes self.value for the widget templates |
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see z3c.form.widget.Widget |
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""" |
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super(SelectOtherWidget, self).update() |
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widget.addFieldClass(self) |
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def get_vocabulary(self): |
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if not self.field: |
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return None |
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vocabulary = getattr(self.field, "vocabularyName", None) |
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if not vocabulary: |
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return None |
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factory = queryUtility(IVocabularyFactory, vocabulary,) |
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if not factory: |
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return None |
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return factory(self.context) |
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def get_choices(self): |
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"""Returns the predefined options for this field |
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""" |
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# generate a list of tuples (value, text) from vocabulary |
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vocabulary = self.get_vocabulary() |
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choices = [(term.value, t(term.title)) for term in vocabulary] |
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# insert the empty option |
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choices.insert(0, ("", "")) |
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# append the "Other..." choice |
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other = (OTHER_OPTION_VALUE, t(_("Other..."))) |
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choices.append(other) |
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return choices |
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@adapter(ISelectOtherField, ISenaiteFormLayer) |
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@implementer(IFieldWidget) |
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def SelectOtherWidgetFactory(field, request): |
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"""Widget factory for SelectOther field |
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""" |
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return FieldWidget(field, SelectOtherWidget(request)) |
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senaite /
senaite.core
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